[김민석_Backend] 2주차 과제 제출합니다.

src/main/java/racingcar/Application.java

@@ -1,7 +1,32 @@
 package racingcar;
 
+import camp.nextstep.edu.missionutils.Console;
+import camp.nextstep.edu.missionutils.Randoms;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
 public class Application {
     public static void main(String[] args) {
         // TODO: 프로그램 구현
+        System.out.println(
+                "경주할 자동차 이름을 입력하세요." +
+                        "(이름은 쉼표(,) 기준으로 구분)");
+        RacingGame racingGame;
+        int n;
+        racingGame = new RacingGame(Console.readLine());
+        System.out.println("시도할 회수는 몇회인가요?");
+        n = getTurn(Console.readLine());
+        racingGame.runRace(n);
+        racingGame.printResult();
+        return;
+    }
+    public static int getTurn(String input) {
+        int n;
+        n = Integer.parseInt(input);
+        if(n<1) {
+            throw new RuntimeException
+                    ("1보다 작은 횟수");
+        }
+        return n;
     }
 }

src/main/java/racingcar/Car.java

@@ -0,0 +1,33 @@
+package racingcar;
+
+import camp.nextstep.edu.missionutils.Randoms;
+
+public class Car {
+    String name;
+    int distance;
+
+    public Car(String name) throws CarNameInputException{
+        name=name.trim();
+        if(name.length()>5||name.length()<1) {
+            System.out.println("자동차 이름은 1글자 이상, 5글자 이하여야 합니다.");
+            throw new CarNameInputException("잘못된 값이 입력되어서 종료합니다.");
+        }
+        /*if(name.indexOf(":")==-1){
+            throw new CarNameInputException("':'는 포함하면 안됩니다.");
+        }*/
+        this.name=name;
+        this.distance=0;
+    }
+    public void run() {
+        if(Randoms.pickNumberInRange(0,9)>=4){
+            this.distance++;
+        }
+    }
+    public void print() {
+        System.out.print(this.name+" : ");
+        for(int i=0;i<distance;i++) {
+            System.out.print("-");
+        }
+        System.out.println();
+    }
+}

src/main/java/racingcar/CarNameInputException.java

@@ -0,0 +1,7 @@
+package racingcar;
+
+public class CarNameInputException extends RuntimeException {
+    public CarNameInputException(String msg) {
+        super(msg);
+    }
+}

src/main/java/racingcar/RacingGame.java

@@ -0,0 +1,58 @@
+package racingcar;
+
+import static org.assertj.core.api.Assertions.*;
+
+public class RacingGame {
+    Car[] car;
+
+    public RacingGame(String input) {
+        String carName[] = input.split(",");
+        this.car=new Car[carName.length];
+
+        for(int i=0;i< carName.length;i++){
+            this.car[i]=new Car(carName[i]);
+            //assertThat(car[i].name.length()).isBetween(1,5);
+            // 차 이름 글자수 확인
+            this.checkSameCarName(i);//차 이름 중복 확인
+        }
+    }
+    public void checkSameCarName(int i){
+        for(int j=0;j<i;j++){
+            if(this.car[j].name.equals(this.car[i].name)){
+                throw new CarNameInputException("차 이름이 중복됩니다.");
+            }
+        }
+    }
+    public void runRace(int n) {
+        for(int i=0;i<n;i++){
+            this.runCars();
+        }
+    }
+    public void runCars(){
+        for(int i=0;i<this.car.length;i++) {
+            car[i].run();
+            car[i].print();
+        }
+        System.out.println();
+    }
+    public void printResult() {
+        System.out.print("최종 우승자 : ");
+        System.out.println(this.findWinner());
+        System.out.println("경기가 종료되었습니다.");
+    }
+    public String findWinner() {
+        int winnerDistance=0;
+        for(int i=0;i<car.length;i++) {
+            if(winnerDistance<car[i].distance) {
+                winnerDistance=car[i].distance;
+            }
+        }
+        StringBuilder winnerList=new StringBuilder();
+        for(int i=0;i<car.length;i++) {
+            if (winnerDistance == car[i].distance) {
+                winnerList.append(car[i].name).append(", ");
+            }
+        }
+        return winnerList.toString();
+    }
+}

src/test/java/racingcar/ApplicationTest.java

@@ -3,10 +3,11 @@
 import camp.nextstep.edu.missionutils.test.NsTest;
 import org.junit.jupiter.api.Test;
 
+import java.io.IOException;
+
 import static camp.nextstep.edu.missionutils.test.Assertions.assertRandomNumberInRangeTest;
 import static camp.nextstep.edu.missionutils.test.Assertions.assertSimpleTest;
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.Assertions.*;
 
 class ApplicationTest extends NsTest {
     private static final int MOVING_FORWARD = 4;
@@ -25,10 +26,8 @@ class ApplicationTest extends NsTest {
 
     @Test
     void 이름에_대한_예외_처리() {
-        assertSimpleTest(() ->
-                assertThatThrownBy(() -> runException("pobi,javaji", "1"))
-                        .isInstanceOf(IllegalArgumentException.class)
-        );
+        assertThatThrownBy(() -> runException("pobi,javaji", "1"))
+                .isInstanceOf(CarNameInputException.class);
     }
 
     @Override